| protected BeforeItemAdd ( Component item ) : void | ||
| item | Component | |
| return | void | |
protected override void BeforeItemAdd(Component item)
{
base.BeforeItemAdd(item);
if (!(item is BoxComponentBase))
{
throw new InvalidOperationException(string.Format("Invalid type of Control ({0}). Only Components which inherit from Ext.Net.BoxComponent can be added to this ({1}) Items Collection.", item.GetType(), this.GetType()));
}
}